# Relationship history for MSHA mine 1002004

Current hierarchy: **CCI  (Clyde Companies Inc) → Suncore Construction and Materials Inc → Dixie River Pit**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **controller_controls_mine:** CCI  (Clyde Companies Inc) → Dixie River Pit; 1950-01-01 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Thueson Construction Inc. → Dixie River Pit; 2001-06-01 to 2016-01-25; source msha-controller-operator-history
- **controller_controls_mine:** Lance S Thueson → Dixie River Pit; 2001-06-01 to 2012-02-08; source msha-controller-operator-history
- **controller_controls_operator:** Lance S Thueson → Thueson Construction Inc.; 2001-06-01 to 2012-02-08; source msha-controller-operator-history
- **controller_controls_mine:** Lance S Thueson et al → Dixie River Pit; 2005-11-01 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Lance S Thueson et al → Dixie River Pit; 2012-02-09 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Lance S Thueson et al → Thueson Construction Inc.; 2012-02-09 to 2016-01-25; source msha-controller-operator-history
- **controller_controls_operator:** Janel  Thueson et al → Thueson Construction Inc.; 2012-02-09 to 2016-01-25; source msha-controller-operator-history
- **operator_operates_mine:** River Rock Sand & Gravel, LLC → Dixie River Pit; 2016-01-26 to 2025-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Lance S Thueson et al → River Rock Sand & Gravel, LLC; 2016-01-26 to 2025-09-23; source msha-controller-operator-history
- **controller_controls_operator:** Janel  Thueson et al → River Rock Sand & Gravel, LLC; 2016-01-26 to 2025-09-23; source msha-controller-operator-history
- **operator_operates_mine:** Suncore Construction and Materials Inc → Dixie River Pit; 2025-09-24 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** CCI  (Clyde Companies Inc) → Suncore Construction and Materials Inc; 2025-09-24 to current/open; source msha-controller-operator-history